USPTO Patents Application 10037067

METHOD FOR PREPARING BROADCAST LIST

Publication number: JP1 10461 92
Publication date: 1999-02-16

inventor: HAYASE KAZUYOSHI; SHUDO KOICHI

Applicant: NIPPON TELEGRAPH & TELEPHONE

Classification:

- international: G06F13/00; H04L 12/18; H04L 12/46; H04L 12/56;

G06F13/00; H04L12/18; H04L12/46; H04L12/56; (IPC1-
7): H04L12/18; G06F13/00; H04L12/56

- European:

Application number: JP1 9970200030 19970725
Priority number(s): JP1 9970200030 19970725

Report a data error here

Abstract of JP1 1046192

PROBLEM TO BE SOLVED: To minimize the
number of entries of tables that perform
management and to reduce processing time
that accompanies user information change by
making users who have the same group
pattern register only one entry on a broadcast
pattern table. SOLUTION: A group table entry
to which a user u belongs is updated to
'new' (S3). Next, the u is eliminated from a
right field of an entry of a member table for
each group that is included in 'old' but is not
included in the 'new', and the u is added to a
right field of an entry of a member table for
each group that is included in the 'new' but is
not included in the 'old' (S4). Next, it is
retrieved whether the group pattern of the
'new' appears as a left field of a broadcast
pattern table (S5). Further, if the group pattern
of the 'new 1 does not exist yet, an item in which
a left field is 'new 1 and a sum set of member
tables is a right field is registered on a
broadcast pattern table (S6).

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